Siege of Constantine
1837 CE.
Shown on the map at 36.283°, 6.617°.
The siege of Constantine was a blockade and assault on Constantine in October 1837 by French forces during the French conquest of Algeria. The decisive battle resulted in the collapse of the Beylik of Constantine led by Ahmed Bey.
Text from the Wikipedia article Siege of Constantine, licensed CC BY-SA 4.0.